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umm.. may be like that of a picture which i have their in my mind... a big head... thin lips lines only.. no nose.. big eyes... 2 fingers.. flat legs with no fingers... grey green body... no familier language..

hahahahahaha, what if they appear just like an ameoba

:D then i will imagine them as a mercury like amoeba... my finger will feel jelly when i will touch them... and they will laugh.. wow! they may become a cute intelligent pet then...